added workflow for autocommenting on PR Merged (#161)

* added workflow for autocommenting on PR Merged

Signed-off-by: Ratan Gulati <ratangulati.dev@gmail.com>

* added workflow for autocommenting on PR Merged

Signed-off-by: Ratan Gulati <ratangulati.dev@gmail.com>

* updated workflow

* Updated autocomment on PR merge workflow

* Updated autocomment on PR merge workflow

---------

Signed-off-by: Ratan Gulati <ratangulati.dev@gmail.com>

.github/workflows/autocomment_on_PR_merge.yml

@@ -0,0 +1,37 @@
+name: Auto Comment on PR Merge
+
+on:
+  pull_request:
+    types: [closed]
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    if: github.event.pull_request.merged == true
+
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v2
+
+    - name: Add Comment to Issue
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        COMMENT=$(cat <<EOF
+        {
+          "body": "🎉 Your pull request has been successfully merged! 🎉 Thank you for your valuable contribution to our project. Your efforts are greatly appreciated. Feel free to reach out @Soumya-Kushwaha  if you have any more contributions or if there's anything else we can assist you with. Keep up the fantastic work! 🚀"
+        }
+        EOF
+        )
+        curl -X POST \
+          -H "Authorization: Bearer $GITHUB_TOKEN" \
+          -H "Accept: application/vnd.github.v3+json" \
+          https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments \
+          -d "$COMMENT"
+